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Mojave to Big Sur issues

Joined
May 9, 2013
Messages
17
Motherboard
Gigabyte H370
CPU
i5-8400
Graphics
Vega 56
Mac
  1. iMac
  2. MacBook Pro
Mobile Phone
  1. iOS
Hello,

Had a coffee lake mojave build running great for the past few years.H370-HD3, i5-8400, Vega 56 GPU.

Trying to migrate it to Mac OS 11 and have hit a brick wall. End user tried updating from Mojave to Big Sur and has caused some issues.

Clover 5122 is bootlooping and will not boot to USB. I have done the installer, followed open core tutorial and I am stuck. USB installer will not appear in clover.

To remedy it, I have put another 1TB NVME ssd in the computer and I'm going to attempt to install Big Sur to that instead. Only issue is Clover 5122 will always load, even if I disable the hard drives in the BIOS. So I'm trying OpenCore.

Even Opencore won't load anything..

Please help, losing my mind over this. I have read 1000+ pages saying I need to make sure APFS and HFS kexts/efi are in the right place and that hasn't made a difference.

No matter what I change I can't get the installer to come up in Clover.
 
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